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    Method and apparatus for desiccant drying of fluorosilicones
    3.
    发明授权
    Method and apparatus for desiccant drying of fluorosilicones 失效
    氟硅氧烷干燥剂干燥方法和装置

    公开(公告)号：US5519158A

    公开(公告)日：1996-05-21

    申请号：US342982

    申请日：1994-11-21

    申请人： Edwin R. Evans

    发明人： Edwin R. Evans

    IPC分类号： C07F7/08 ,  C07F7/21 ,  C08G77/06 ,  C08G77/22 ,  C08G77/24

    CPC分类号： C07F7/089 ,  C07F7/21 ,  C08G77/06

    摘要： A method of polymerizing organosiloxane monomers to produce high molecular weight polymers having a relatively narrow range of molecular weights, which includes drying the monomers to a selected moisture content of 10 ppm or less by moisture transfer contact with a desiccant at temperatures below the polymerization temperature prior to polymerization.

    摘要翻译： 聚合有机硅氧烷单体以产生具有相对较窄分子量范围的高分子量聚合物的方法，其包括通过在低于聚合温度的温度下与干燥剂水分转移接触将单体干燥至10ppm或更低的选定含水量 聚合。

    Heat stable fluorosilicone rubber compositions
    5.
    发明授权
    Heat stable fluorosilicone rubber compositions 失效
    热稳定氟硅橡胶组合物

    公开(公告)号：US5340866A

    公开(公告)日：1994-08-23

    申请号：US80997

    申请日：1993-06-21

    申请人： Edwin R. Evans

    发明人： Edwin R. Evans

    IPC分类号： C08G81/00 ,  C08K3/22 ,  C08K5/14 ,  C08L83/04 ,  C08L83/07 ,  C08L83/08 ,  C08K3/10

    CPC分类号： C08K3/22 ,  C08L83/08

    摘要： A heat curable fluorosilicone rubber composition having improved heat stability without a sacrifice in physical properties is provided by using critical amounts of cerium hydroxide and red iron oxide in the preparation of the curable fluorosilicone composition.

    摘要翻译： 通过在制备可固化氟硅酮组合物中使用临界量的氢氧化铈和红色氧化铁来提供具有改善的热稳定性而不牺牲物理性能的可热固化氟硅橡胶组合物。

    Polyfluoroalkyl siloxanes
    7.
    发明授权
    Polyfluoroalkyl siloxanes 失效
    多氟烷基硅氧烷

    公开(公告)号：US5900190A

    公开(公告)日：1999-05-04

    申请号：US115437

    申请日：1998-07-15

    申请人： Edwin R. Evans ,  David C. Gross

    发明人： Edwin R. Evans ,  David C. Gross

    IPC分类号： F16F9/53 ,  C07F7/08 ,  C07F7/12 ,  C08G77/24 ,  C10M103/00 ,  C10M171/00 ,  C10N40/14 ,  H01B1/06

    CPC分类号： C08G77/24 ,  C07F7/085 ,  C07F7/12 ,  C10M171/001

    摘要： A polyfluoroalkyl silicone having the general formula:M.sub.a M'.sub.b D.sub.c D'.sub.d T.sub.e T'.sub.f Q.sub.g ;whereM=R.sup.1.sub.u R.sup.2.sub.v R.sup.3.sub.w SiO.sub.1/2 with the sum of the subscripts u+v+w being 3 and the subscripts v and w are each independently 0 or 1;M'=R.sup.4 R.sup.5 R.sup.6 SiO.sub.1/2 ;D=R.sup.7.sub.x R.sup.8.sub.y SiO.sub.2/2 with the sum of the subscripts x+y being 2 and y is 0 or 1;D'=R.sup.9 R.sup.10 SiO.sub.2/2 ;T=R.sup.11.sub.z SiO.sub.3/2 with the subscript z being 1;T'=R.sup.12 SiO.sub.3/2 ; andQ=SiO.sub.4/2 ;where the substituent groups R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.8, R.sup.9, R.sup.10, and R.sup.12 are each independently selected from the group of one to forty carbon atom monovalent hydrocarbon radicals, the subscripts a, b, c, d, e, f, and g are zero or positive integers with the substituent groups, R.sup.1, R.sup.7, and R.sup.11, each independently selected from the group of consisting of monovalent polyfluoroalkyl groups having the formula CF.sub.3 (CF.sub.2).sub.n (CH.sub.2).sub.m and monovalent polyfluoroalkyl groups having the formula CF.sub.3 (CF.sub.2).sub.n J(CH.sub.2).sub.m where the subscript n is an integer that ranges from about 3 to about 20, the subscript m is an integer that ranges from about 2 to about 20, J is a divalent methylene group (CH.sub.2), divalent sulfur (S), or oxygen (O); subject to the following limitations on the stoichiometric subscripts a, b, c, and e:1) a+b.gtoreq.2;2) a+c+e.gtoreq.1; anda(u)+c(x)+e(z) .gtoreq.2 as a carrier fluid for electro-active materials thereby providing for an electro-viscous fluid.

    摘要翻译： 具有通式：MaM'bDcD'dTeT'fQg的多氟烷基硅氧烷，其中M = R1uR2vR3wSiO1 / 2，下标u + v + w的和为3，下标v和w各自独立地为0或1; M'= R4R5R6SiO1 / 2; D = R7xR8ySiO2 / 2，下标x + y的和为2，y为0或1; D'= R9R10SiO2 / 2; T = R11zSiO3 / 2，下标z为1; T'= R12SiO3 / 2; 和Q = SiO4 / 2; 其中取代基R2，R3，R4，R5，R6，R8，R9，R10和R12各自独立地选自一至四十个碳原子的一价烃基，下标a，b，c，d，e ，f和g与取代基R 1，R 7和R 11分别为0或正整数，各自独立地选自具有式CF 3（CF 2）n（CH 2）m的单价多氟烷基和单价多氟烷基 具有式CF 3（CF 2）n J（CH 2）m，其中下标n是约3至约20的整数，下标m是约2至约20的整数，J是二价亚甲基（ CH2），二价硫（S）或氧（O）; 受化学计量下标a，b，c和e的限制：1）a + b> / = 2; 2）a + c + e> / = 1; 和（u）+ c（x）+ e（z）> / = 2作为电活性材料的载体流体，从而提供电粘性流体。

    Fluorosilicone polydimethylsiloxane equilibration chainstopper and process for manufacture
    9.
    发明授权
    Fluorosilicone polydimethylsiloxane equilibration chainstopper and process for manufacture 失效
    氟硅氧烷聚二甲基硅氧烷平衡阻滞剂及其制备方法

    公开(公告)号：US4348531A

    公开(公告)日：1982-09-07

    申请号：US249785

    申请日：1981-04-01

    申请人： Edwin R. Evans

    发明人： Edwin R. Evans

    IPC分类号： C08G77/24 ,  C07F7/02

    CPC分类号： C08G77/24

    摘要： A fluorosilicone polydimethylsiloxane equilibration chainstopper and process for making same are disclosed. The chainstopper has a fluorosilicone content in the range of 30 mole percent to 60 mole percent and is a preferred chainstopper in equilibration reactions in the production of vinyl-stopped fluorosilicone polydimethylsiloxane copolymers.

    摘要翻译： 公开了氟硅氧烷聚二甲基硅氧烷平衡链截止剂及其制备方法。 断链剂的氟硅酮含量在30摩尔％至60摩尔％的范围内，并且是在制备乙烯基阻聚的氟硅氧烷聚二甲基硅氧烷共聚物的平衡反应中的优选的阻滞剂。

    Fluorosilicone hydrides
    10.
    发明授权
    Fluorosilicone hydrides 失效
    氟硅氢化合物

    公开(公告)号：US5317073A

    公开(公告)日：1994-05-31

    申请号：US676906

    申请日：1991-03-27

    申请人： Edwin R. Evans ,  Edward M. Jeram

    发明人： Edwin R. Evans ,  Edward M. Jeram

    IPC分类号： C07F7/12 ,  C08G77/12 ,  C08G77/24 ,  C08G77/38 ,  C08G77/385

    CPC分类号： C08G77/12 ,  C08G77/24 ,  C08G77/385

    摘要： Novel fluorosilicone hydrides are provided which are useful as intermediates in the preparation of epoxy-functional fluorosilicones having improved cure efficiency at low temperatures and improved resistance to solvents and fuels than analogous non-fluoro-functional epoxy-functional silicones prepared from non-fluoro-functional silicone hydrides.

    摘要翻译： 提供了新的氟硅氢化物，其可用作制备环氧官能的氟硅氧烷的中间体，其具有在低温下具有改进的固化效率和改善的对溶剂和燃料的耐受性，而不是由非氟官能团制备的类似的非氟官能的环氧官能的硅氧烷 硅氧烷氢化物。